Technology: general issues 150 History of engineering and technology 106 Numerical models 65 TJ Mechanical engineering and machinery 62 numerical simulation 61 History of engineering & technology 44 Research & information: general 43 Numerical methods 40 TA Engineering (General). Civil engineering (General) 29 TK Electrical engineering. Electronics Nuclear engineering 25 Numerical simulation 24 Physics 24 computer simulation 23 Computational fluid dynamics 21 human 21 Performance 19 Research and information: general 19 Reynolds number 19 Heat transfer 18 Direct-numerical-simulation 17 article 17 simulation 17 Humans 16 Boundary layers 15 QA Mathematics 15 Vortex flow 15 Finite element method 13 Shear stress 13 Turbulence 13 Biology, life sciences 12